Granted Patent
Utility
US 6,677,617 · App. 09/984,604
Semiconductor LED composed of group III nitrided emission and fluorescent layers
Inventor:
Kouji Tominaga
Patented Case
View Patent ↗
Granted: Jan 13, 2004
Filed: Oct 30, 2001
Inventor
Kouji Tominaga
Assignee (at issue)
SANYO ELECTRIC CO., LTD.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.